UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'St4aEsouSz90qh+CXl4FlqeOsXAwvYgtb9crNr2RsYo=' 
WHERE 
  key_id = '16159cc0f02767e477717129b04f7ded2940b833bcd3bca3914b8fd0059a434e' 
  AND (
    token = 'St4aEsouSz90qh+CXl4FlqeOsXAwvYgtb9crNr2RsYo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )